547997626493 has 4 divisors (see below), whose sum is σ = 548000963808. Its totient is φ = 547994289180.

The previous prime is 547997626487. The next prime is 547997626537. The reversal of 547997626493 is 394626799745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 547997626493 - 2¹⁴ = 547997610109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547997326493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408871 + ... + 1755252.

It is an arithmetic number, because the mean of its divisors is an integer number (137000240952).

Almost surely, 2^547997626493 is an apocalyptic number.

It is an amenable number.

547997626493 is a deficient number, since it is larger than the sum of its proper divisors (3337315).

547997626493 is a wasteful number, since it uses less digits than its factorization.

547997626493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337314.

The product of its digits is 617258880, while the sum is 71.

The spelling of 547997626493 in words is "five hundred forty-seven billion, nine hundred ninety-seven million, six hundred twenty-six thousand, four hundred ninety-three".